--- linux-2.6.22.14/drivers/net/wan/c101.c	2008-01-22 14:02:50.000000000 +0200
+++ linux/drivers/net/wan/c101.c	2008-01-15 11:03:50.000000000 +0200
@@ -376,7 +376,7 @@ static int __init c101_run(unsigned long
 	hdlc->xmit = sca_xmit;
 	card->settings.clock_type = CLOCK_EXT;
 
-	result = register_hdlc_device(dev);
+	result = register_hdlc_device(dev, "hdlc%d");
 	if (result) {
 		printk(KERN_WARNING "c101: unable to register hdlc device\n");
 		c101_destroy_card(card);